package cn.git.util;

/**
 * @description: 测试用静态方法类
 * @program: bank-credit-sy
 * @author: lixuchun
 * @create: 2024-12-19
 */
public class StringUtil {

    public static String concat(String str, String str2) {
        return str + "_" + str2;
    }

}
